*{
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
    box-sizing: border-box;    
    word-break: keep-all;
}

a{text-decoration: none;}
a:link {color:#505050;} 
a:visited {color:#505050;} 
a:hover {color:#505050;}
a:active {color:#505050;} 

#contents_body{    
    background-color:#FEF9F0;
    position: relative;
    overflow: hidden;
}

.intro_law { position: absolute; bottom: 20px; right: 25px; font-size: 15px; color: #333; font-family: Noto Serif KR; }
.intro_law.mobile { display: none; }

@media all and (max-width: 767px){  
.intro_law { position: static; line-height: 1.7; font-size: 13px; opacity: 0.7; display: none; }
.intro_law.mobile { display: block; }
}

.btntop { width: 100%; z-index: 999; bottom:50px; float: left; color: #333; text-decoration: none; text-align: center; font-size: 17px; padding: 50px 0; }
.btntop:hover { color: #339db5; }
.btntop img { width:100px; margin-bottom: 5px; }

@media screen  and (max-width:1440px){  
.btntop { padding: 30px 0 80px 0; font-size: 15px; }
.btntop img { width: 60px; }
}

.area_video { width: 100%; padding: 150px 0 150px 0; }
.area_video .campaign_video { width: 90%; max-width: 850px; margin: 0 auto; margin-bottom: 50px; }
.area_video .campaign_video .campaign_video_box { position: relative; padding-bottom: 53.3%; padding-top: 25px; height: 0; margin-bottom: 0; }
.area_video .campaign_video .campaign_video_box iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

@media all and (max-width: 767px){  
.area_video { padding: 120px 0 80px 0; }
.area_video .campaign_video .campaign_video_box { padding-bottom: 48.5%; }
}

@media screen and (max-width:767px){
    #contents_body{
        width: 100%;
        background-color:#f1f1f1;
        position: absolute;
        overflow: hidden;
    }   
    
    .up_btn {
        width: 24px;
        height: 24px;
        margin-left: 16px;
        padding-bottom:4px;
        background-image: url('../img/eighteen-network/cy_up.gif');        
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
    }

    .mobile_only{
        display: inline;
    }

    .tablet_only{
        display: inline;
    }
    .web_only{
        display: inline;
    }
    
    
    .body_main_title_subtitle{
        position: absolute;
        top:73px;
        left: 35px;
        font-family: Noto Serif KR;
        font-size: 11px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
    
    }
    
    .body_main_title_subtitle>b{
        color:#349DB5 ;
    }
    
    .body_main_title{
        width: 100vw;
        position: relative;
        display: flex;
    }

    .web_only{
        display: none;
    }
    
    .body_title{
        display:flex;
        flex-direction: column;
        position: relative;
    }
    
    .contents_title{
        padding-left: 35px;
        padding-top:163px;
        width: 100vw;
        min-height: 100vh;
        background-image: url(../img/eighteen-network/profile_kang_mobile.png);
        background-size: contain;
        background-repeat: no-repeat;
        background-position: bottom;
        font-family: Noto Serif KR;
        font-size: 37px;
        font-style: normal;
        font-weight: 600;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        opacity: 0;
        position: relative;
        transition: 1s;
    }
    
    
    .contents_subtitle{
        font-family: Noto Serif KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        padding: 40px 24px;
        text-align: left;
        opacity: 0;
        transition: 1s;
        color: #1F425C;
        background-color: #fff;
    }
    
    .title_text{
        width: 100%;
        height: 65px;
        display: flex;
        align-items: center;
    }
    
    .title_highlight{
        border: 4px solid #339DB5;
        opacity: 0;
        width: 232px;
        height: 65px;
        top:230px;
        left:16px;
        position: absolute;
        transition: 0.5s;
    }
    
    .contents_text{
        margin-left: 272px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
    }
    
    .text_highlight{
        font-family: Noto Serif KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color:#339DB5;
    }
    
    .body_main_text{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
       
    .chapter_1{
        background-color:#FEF9F0;
        width:100%;
        padding-top: 24px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 96px;
    }
    
    .chapter_2{
        background-color:#F0F0F0;
        width:100%;
        padding-top: 40px;
        padding-bottom: 56px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_3{
        background-color:#FEF9F0;
        width:100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_title{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        transition: 1s;
        opacity: 0;
        margin-bottom: 32px;
    }

    #chapter_2_title{
        display: flex;
        flex-direction: column;
    }

    #chapter_3_title{
        display: flex;
        flex-direction: column;
    }
    
    .chapter3_title{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
        transition: 1s;
        opacity: 0;
    }
    
    .chatper_3_head{
        height: 176px;
        width: 100%;
        background: #1F425C;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .chapter_highlight{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;
    }
    
    
    .img_box{
        width: 364px;
        height: 208px;
        position: relative;
        margin-bottom: 24px;
    }
    
    .img_box_2{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .img_box_3{
        width: 364px;
        height: 198px;
        position: relative;
        margin-bottom: 24px;
    }
    
    .img_box_4{
        width: 364px;
        height: 208px;
        position: relative;
        margin-bottom: 24px;
    }
    
    
    
    .chapter_text{
        font-family: Noto Serif KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        width: 100%;
        padding:0px 8px;
        /* opacity: 0; */
        transition: 1s;
        color: #1F425C;
        text-align: center;
        margin-bottom: 24px;
    }
    
    
    .img_1{
        background-image: url("../img/eighteen-network/img_1.svg");
        background-size: cover;
        width: 364px;
        height: 208px;
        position:absolute;
        z-index: 1;
    }
    
    
    .img_2{
        background-image: url("../img/eighteen-network/img_2.svg");
        background-size: cover;
        width: 364px;
        height: 208px;
        position:absolute;
        right: 0px;
        z-index: 1;
    }
    
    .img_full_1{
        width: 364px;
        height: 226px;
        background-image: url("../img/eighteen-network/img_3.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 24px;
    }
    
    
    .img_4{
        background-image: url("../img/eighteen-network/img_5.png");
        width: 364px;
        height: 278px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-bottom: 24px;
    }
    
    .img_full_2{
        width:100%;
        height: 289px;
        background-image: url("../img/eighteen-network/img_6.png");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: bottom;
        margin-bottom: 32px;
    }
    
    .cahpter_text_big1{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_7{
        background-image: url("../img/eighteen-network/img_7_mobile.png");
        width: 364px;
        height: 198px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        right: 0px;
        top:0px;
        z-index: 1;
    }
    
    .cahpter_text_big2{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 24px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_8{
        background-image: url("../img/eighteen-network/img_8.png");
        width: 364px;
        height: 208px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        z-index: 1;
        left: 0px;
    }
    .img_9{
        background-image: url("../img/eighteen-network/img_9.svg");
        width: 1056px;
        height: 576px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-top: 120px;
        margin-bottom: 120px;
    }
    
    .cahpter_text_big3{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 24px;
    }
    
    .cahpter_text_big5{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-top:24px;
        margin-bottom: 120px;
    }
    
    .img_box_5{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 24px;
    }
    
    .img_box_6{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 24px;
    }
    
    .img_10{
        background-image: url("../img/eighteen-network/img_10.svg");
        width: 384px;
        height: 658px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_11{
        background-image: url("../img/eighteen-network/img_11.png");
        width: 364px;
        height: 198px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .cahpter_text_big4{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transition: 1s;
        margin-bottom: 30px;
        opacity: 0;
    }
    
    .endText{
        width: 100%;
        padding:80px 0px;
        background-color: #F0F0F0;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
    }
    
    .endText_item{
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column-reverse;
        justify-content:center;
        align-items: center;
    }
    
    .endText_text{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        text-align: center;
    }
    
    .endText_text>b{
        font-weight: 700;
    }
    .endText_big>i{
        color:#339DB5;
        font-weight: 700;
    }
    .endText_img_box{
        position: relative;
        height: 100%;
    }
    .endText_img{
        width: 360px;
        height: 840px;
        margin-top: 32px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/endText_img.png);
    }
    
    .chapter_4{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: #FEF9F0;
        padding-bottom: 120px;
    }
    
    .chapter_4_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        width: 300px;
        color: #fff;
        height: 86px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #339DB5;
        text-align: center;
        margin-bottom: 32px;
        margin-top: 48px;
    }
    
    .chapter_4_subTitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        margin-bottom: 44px;
        text-align: center;
    }
    .chapter_4_contents{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    
    }
    
    
    .chapter_4_contents_box1{
        width: 364px;
        height: 559px;
        background-image: url(../img/eighteen-network/cy_mobile_img.png);
        background-repeat: no-repeat;
        background-size: cover;
        border-radius: 16px;
        border: 1px solid #C4C4C4;
    }
    
    /* .chapter_4_contents_title_icon{
        width: 56px;
        height: 56px;
        min-width: 56px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        margin-right: 8px;
        background-image: url(../img/eighteen-network/wave_icon.png);
    }

    .chapter_4_contents_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    }

    .chapter_4_contents_title{
        width: 100%;
        display: flex;
        align-items: center;
        margin-top: 24px;
        margin-bottom: 16px;
    } */

    .chapter_4_contents_title{
        display: none;
    } 
    
    .chapter_4_contents_btnList{
        display: none;
    }
           
    .chapter_4_contents_bridge{
        display: none;
    }
    
    .chapter_4_contents_box2{
        width: 364px;
        padding: 24px 16px 32px 16px;
        background: #FAFAFA;
        border: 1px solid #c4c4c4;
        box-sizing: border-box;
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 8px;

    }
    .chapter_4_contents_box2_title{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 24px;
    }

    .chapter_4_contents_box2_title_icon{
        width: 32px;
        height: 32px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        background-position: center;
    }
    
    .chapter_4_contents_box2_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    
    }
    
    .chapter_4_contents_box2_text_item{
        display: flex;
    }
    
    .chapter_4_contents_box2_text_item_icon{
        width: 24px;
        min-width: 24px;
        height: 24px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        margin-right: 10px;
    }
    
    .chapter_4_contents_box2_text_item_text{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color:#1F425C;
    }

    .chapter_4_mobile_btnList{
        display: none;
    }
    .chapter_4_mobile_btn{
        width: 364px;
        height: 48px;
        background: #E0F9FF;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        font-family: Nanum Gothic;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#339DB5 !important;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: 33px;
        margin-bottom: 28px;
        border-radius: 40px;
    }

    .chapter_4_contents_btn{
        background: #E0F9FF;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: Nanum Gothic;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        width: 240px;
        height: 64px;
        color: #339db5 !important;
    }

    .support_btn{
        width:100%;
        height:64px;
        bottom:0px;
        right: 0px;
        position: fixed;
        transition: .2s;
        cursor: pointer;
        display: none;
        animation: top 1s ease-in-out;
        background-size: 100%;
        z-index:9999999;
        background-color: #339DB5;
        background-position: center;
        background-repeat: no-repeat;
        background-size: 40%;
        background-image: url(../img/eighteen-network/common/support_btn_phone.svg);
    }










































    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .common_footer_body{
        background-color: #F1F1F1;
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding:0px 24px;
    }
    
    
    .common_footer_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 72px;
        margin-bottom: 56px;
        width: 100%;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        letter-spacing: -0.03rem;
        text-align: center;
        color:#505050;
        margin-bottom: 48px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 25px;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        height: 96px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 60px;
        width: 100%;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        width: 100vw;
        padding:40px 24px 48px 24px;
        border-bottom: 1px solid #f1f1f1;
    }
    
    .common_footer_contents_4{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 42px;
        margin-top: 60px;
    }
    
    .common_footer_btn{
        background: #339DB5;;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 100%;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .common_projectList{
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-around;
        flex-wrap: wrap;
        border-bottom:1px solid #f1f1f1;
    }
    
    .common_project_text_covid{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 20px;
    
        letter-spacing: 0em;
        text-align: center;
        color: #a5a5a5;
        margin-bottom: 28px;
    }

    .project_summary{
        font-family: Noto Sans KR;
        font-size: 12px;
        width: 123px;
        height: 88px;
        font-style: normal;
        font-weight: 400;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 16px;
        color: #505050;        
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .project_item_common{
        width: 155px;
        height: 294px;
        margin-bottom: 8px;
        background: #C4C4C4;
    }
    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        height: 36px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 1px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color: #339DB5;;
        width: 100%;
        height: 56px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-left: 16px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }
    
    .project_item_1_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/shin.png);
    }
    .project_item_2_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/hur.png);
    }
    .project_item_3_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/son.png);
    }
    .project_item_4_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/kang.png);
    }
    .project_item_5_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/jo.png);
    }
    .project_item_6_img{
        width: 100%;
        height: 238px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/pack.png);
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 48px;
        margin-bottom: 64px;
    }

    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 48px;
    }
    
    .support_list{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
    
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .support_title{
        position: relative;
    }
    
    .support_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        
        z-index: 1;
    }   
    
    .support_title_underbar{
        width: 100%;
        height: 11px;
        background-color: rgba(51, 157, 181, 0.5);
        position: absolute;
        bottom: 0px;
        left: 0px;
    }

    

    .common_project_support_thanksfor_list_item>.common_project_support_thanksfor_list_item_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;

    }
    
    .support_detail_list{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        margin-bottom: 32px;
        margin-top: 32px;
    }

    .support_detail_list:last-child{
        margin-left: 7px;
    }
    
    .support_detail_item{
        width: 160px;
        height: 160px;
        border-radius: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 23px;
        letter-spacing: 0em;    
        width: 109px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_2_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_3_img{
        width: 56px;
        height: 56px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 32px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_4_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_5_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_6_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 80px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding:32px 24px 116px 24px;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 38px;
        height: 72px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 40px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding:40px 24px 56px 24px;
    }
    
    .common_footer_footer_1_img{
        height: 172px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        display: none;
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 25px;
        letter-spacing: 0em;
        text-align: center;
        
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }

    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0px 24px;
    }

    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 40px;
        margin-bottom: 56px;
        color:#505050;
    }

    .common_project_support_thanksfor_list{
        display: flex;
        flex-direction: column;
        
        flex-wrap: wrap;
        width: 100%;
        justify-content: space-between;

    }

    .common_project_support_thanksfor_list_item{
        display: flex;
        
        flex-wrap: wrap;
        flex-direction: column;
        align-items: center;
        margin-bottom: 51px;
    }

    .common_project_support_thanksfor_list_item_img1{
        width: 100%;
        height: 183px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img1.png);
    }
    
    .common_project_support_thanksfor_list_item_img2{
        width: 100%;
        height: 183px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img2.png);
    }

    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 48px;
        color:#505050;
    }

    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 72px;
    }

    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }
}


@media screen and (min-width:768px) and (max-width:1023px){
    #contents_body{
        width: 100%;
        background-color:#f1f1f1;
        position: absolute;
        overflow: hidden;
    }   

 
    .up_btn {
        width: 24px;
        height: 24px;
        margin-left : 16px;
        padding-bottom: 16px;
        background-image:url(../img/eighteen-network/cy_up.gif);        
        background-size: cover;
        background-position: center;
    }    
    
    .mobile_only{
        display: none;
    }

    .tablet_only{
        display: inline;
    }
    .web_only{
        display: none;
    }
    
    .body_main_title_subtitle{
        position: absolute;
        top:93px;
        left: 64px;
        font-family: Noto Serif KR;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: left;
    
    }
    
    .body_main_title_subtitle>b{
        color:#349DB5 ;
    }
    
    .body_main_title{
        width: 100vw;
        min-height: 748px;
        position: relative;
        display: flex;
    }
    
    .body_title{
        display:flex;
        height: 100%;
        flex-direction: column;
        position: relative;
    }
    
    .contents_title{
        padding-left: 80px;
        padding-top:353px;
        width: 100vw;
        min-height: 100vh;
        background-image: url(../img/eighteen-network/profile_kang_mobile.png);
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 600;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        opacity: 0;
        position: relative;
        /* display: flex;
        flex-direction: column;
        justify-content: center; */
        transition: 1s;
    }
    
    
    .contents_subtitle{
        margin-left: 80px;
        font-family: Noto Serif KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        opacity: 0;
        transition: 1s;
        color: #1F425C;
    }
    
    .title_text{
        width: 408px;
        height: 40px;
        display: flex;
        margin-bottom: 32px;
        align-items: center;
    }
    
    .title_highlight{
        border: 4px solid #339DB5;
        opacity: 0;
        width: 248px;
        height: 70px;
        top:410px;
        left:60px;
        position: absolute;
        transition: 0.5s;
    }
    
    .contents_text{
        margin-left: 272px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
    }
    
    .text_highlight{
        font-family: Noto Serif KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        color:#339DB5;
    }
    
    .body_main_text{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
       
    .chapter_1{
        background-color:#FEF9F0;
        width:100%;
        padding-top: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 96px;
    }
    
    .chapter_2{
        background-color:#F0F0F0;
        width:100%;
        padding-top: 120px;
        padding-bottom: 56px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_3{
        background-color:#FEF9F0;
        width:100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_title{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        transition: 1s;
        opacity: 0;
        margin-bottom: 72px;
    }

    #chapter_2_title{
        display: flex;
        flex-direction: column;
    }

    #chapter_3_title{
        display: flex;
        flex-direction: column;
    }
    
    .chapter3_title{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
        transition: 1s;
        opacity: 0;
    }
    
    .chatper_3_head{
        height: 520px;
        width: 100%;
        background: #1F425C;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 104px;
    }
    
    .chapter_highlight{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;
    }
    
    
    .img_box{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_2{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .img_box_3{
        width: 688px;
        height: 376px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_4{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    
    
    .chapter_text{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        width: 688px;
        /* opacity: 0; */
        transition: 1s;
        color: #1F425C;
        text-align: center;
        margin-bottom: 64px;
    }
    
    
    .img_1{
        background-image: url("../img/eighteen-network/img_1.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        z-index: 1;
    }
    
    
    .img_2{
        background-image: url("../img/eighteen-network/img_2.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        right: 0px;
        z-index: 1;
    }
    
    .img_full_1{
        width: 688px;
        height: 427px;
        background-image: url("../img/eighteen-network/img_3.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 64px;
    }
    
    
    .img_4{
        background-image: url("../img/eighteen-network/img_5.png");
        width: 528px;
        height: 406px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-bottom: 64px;
    }
    
    .img_full_2{
        width:100%;
        height: 520px;
        background-image: url("../img/eighteen-network/img_6.png");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: bottom;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big1{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_7{
        background-image: url("../img/eighteen-network/img_7_mobile.png");
        width: 688px;
        height: 376px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        right: 0px;
        top:0px;
        z-index: 1;
    }
    
    .cahpter_text_big2{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        margin-bottom: 56px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_8{
        background-image: url("img/eighteen-network/img_8.png");
        width: 704px;
        height: 403px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        z-index: 1;
        left: 0px;
    }
    .img_9{
        background-image: url("../img/eighteen-network/img_9.svg");
        width: 1056px;
        height: 576px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-top: 120px;
        margin-bottom: 120px;
    }
    
    .cahpter_text_big3{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big5{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-top:120px;
        margin-bottom: 120px;
    }
    
    .img_box_5{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_box_6{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_10{
        background-image: url("../img/eighteen-network/img_10.svg");
        width: 528px;
        height: 904px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_11{
        background-image: url("../img/eighteen-network/img_11.png");
        width: 688px;
        height: 375px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .cahpter_text_big4{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transition: 1s;
        margin-bottom: 74px;
        opacity: 0;
    }
    
    .endText{
        width: 100%;
        padding:80px 0px;
        background-color: #F0F0F0;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
    }
    
    .endText_item{
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column-reverse;
        justify-content:center;
        align-items: center;
    }
    
    .endText_text{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        text-align: center;
    }
    
    .endText_text>b{
        font-weight: 700;
        font-size: 35px;
    }
    .endText_big>i{
        color:#339DB5;
        font-weight: 700;
    }

    .endText_big{
        font-size: 35px;
    }
    .endText_img_box{
        position: relative;
        height: 100%;
    }
    .endText_img{
        width: 360px;
        height: 840px;
        margin-top: 164px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/endText_img.svg);
    }
    
    .chapter_4{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: #FEF9F0;
        padding-bottom: 120px;
    }
    
    .chapter_4_title{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        width: 624px;
        color: #fff;
        height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #339DB5;
        margin-bottom: 26px;
        margin-top: 80px;
    }
    
    .chapter_4_subTitle{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        margin-bottom: 32px;
        text-align: center;
    }
    .chapter_4_contents{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    
    }
    
    
    .chapter_4_contents_box1{
        width: 740px;
        height: 100%;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;
        padding:0 26px;
        padding-bottom: 48px;
    }
    
    .chapter_4_contents_title_icon{
        width: 56px;
        height: 56px;
        min-width: 56px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        margin-right: 8px;
        background-image: url(../img/eighteen-network/wave_icon.png);
    }

    .chapter_4_contents_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    }

    .chapter_4_contents_title{
        width: 100%;
        display: flex;
        align-items: center;
        margin-top: 24px;
        margin-bottom: 16px;
    }
    
    .chapter_4_contents_content{
        width: 100%;
        height: 100%;
        display: flex;
    }
    
    .chapter_4_contents_img{
        width: 688px;
        height: 440px;
        background-repeat: no-repeat;
        background-size: contain;
        background-image: url(../img/eighteen-network/cy_tablet_img.png);
    }
    
    .chapter_4_contents_btnList{
        display: none;
    }
        
    .chapter_4_contents_bridge{
        display: none;
    }
    
    .chapter_4_contents_box2{
        margin-top: 32px;
        width: 740px;
        padding: 24px 34px 40px 26px;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-sizing: border-box;
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;

    }
    .chapter_4_contents_box2_title{
        display: flex;
        margin-bottom: 28px;
    }

    .chapter_4_contents_box2_title_icon{
        width: 56px;
        height: 56px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        background-position: center;
    }
    
    .chapter_4_contents_box2_title_text{
        font-family: Noto Sans KR;
    font-size: 32px;
    font-style: normal;
    font-weight: 700;
    line-height: 51px;
    letter-spacing: 0em;
    text-align: left;
    color: #339DB5;
    
    }
    
    .chapter_4_contents_box2_text_item{
        display: flex;
        align-items: center;
    }
    
    .chapter_4_contents_box2_text_item_icon{
        width: 24px;
        height: 24px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        margin-right: 10px;
    }
    
    .chapter_4_contents_box2_text_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        color:#1F425C;
    }

    .chapter_4_mobile_btnList{
        display: flex;
        width: 740px;
        justify-content: space-between;
        margin-top: 24px;
    }
    .chapter_4_mobile_btn{
        display: none;
    }

    .chapter_4_contents_btn{
        background: #E0F9FF;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: Nanum Gothic;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        width: 240px;
        height: 64px;
        color: #339db5 !important;
    }

    .support_btn{
        width:100%;
        height:64px;
        bottom:0px;
        right: 0px;
        position: fixed;
        transition: .2s;
        cursor: pointer;
        display: none;
        animation: top 1s ease-in-out;
        background-size: 100%;
        z-index:9999999;
        background-color: #339DB5;
        background-position: center;
        background-repeat: no-repeat;
        background-size: 20%;
        background-image: url(../img/eighteen-network/common/support_btn_phone.svg);
    }










































    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .common_footer_body{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        background-color: #f1f1f1;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 32px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 40px;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 64px;
        margin-bottom: 64px;
    }
    
    .common_footer_contents_4{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 64px;
        margin-top: 86px;
    }
    
    .common_footer_btn{
        background: #339DB5;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 336px;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    .project_summary{
        display: none;   
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        margin-right: 17px;
        align-items: center;
    }
    
    .project_item:hover > .project_item_common >.project_item_1_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/shin_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_2_img{
                width: 100%;
                height: 314px;
                background-size: cover;
        background-image: url("../img/eighteen-network/common/hur_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_3_img{
                width: 100%;
                height: 314px;
                background-size: cover;
        background-image: url("../img/eighteen-network/common/son_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_4_img{
                width: 100%;
                height: 314px;
                background-size: cover;
        background-image: url("../img/eighteen-network/common/kang_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_5_img{
                width: 100%;
                height: 314px;
                background-size: cover;
        background-image: url("../img/eighteen-network/common/jo_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_6_img{
                width: 100%;
                height: 314px;
                background-size: cover;
        background-image: url("../img/eighteen-network/common/pack_hover.png");
    }
    .mobile_only{
        display: none;
    }
    
    .project_item_common{
        width: 218px;
        height: 427px;
        margin-bottom: 16px;
        cursor: pointer;
        background: #C4C4C4;
    }    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 8px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color: #339DB5;
        width: 100%;
        height: 56px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-left: 16px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 128px;
    }
    
    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .support_list{
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    
    .common_project_text_covid{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 20px;
    
        letter-spacing: 0em;
        text-align: center;
        color: #a5a5a5;
        margin-bottom: 28px;
    }
    
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-right: 54px;
    }
    
    .support_title{
        position: relative;
    }
    
    
    .support_detail_list{
        display: flex;
        width: 428px;
        justify-content: space-between;
        margin-top: 33px;
    }
    
    .support_detail_item{
        width: 210px;
        height: 210px;
        border-radius: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 23px;
        letter-spacing: 0em;    
        width: 118px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_2_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_3_img{
        width: 88px;
        height: 88px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 41px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_4_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_5_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_6_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 104px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 50%;
        height: 762px;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 50%;
        height: 762px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding:40px 0px 0px 48px;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                  url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 24px;
        height: 24px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 24px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        padding:56px 72px 88px 72px;
    }
    
    .common_footer_footer_1_img{
        height: 438px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        width: 100%;
        height: 912px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/common/common_title_img.png);
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }
    
    
    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    
    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 77px;
        margin-bottom: 64px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_list{
        display: flex;
        width: 100%;
        flex-wrap: wrap;
        justify-content: center;
        margin-bottom: 64px;
    
    }
    
    .common_project_support_thanksfor_list_item{
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .common_project_support_thanksfor_list_item_img1{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img1.png);
    }
    
    .common_project_support_thanksfor_list_item_img2{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img2.png);
    }
    
    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 32px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 90px;
    }
    
    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }
    
    .support_btn:hover{
        box-shadow: 8px 8px 0px #65C3D9;
    }

    
    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .common_footer_title{
        font-family: Noto Sans KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        line-height: 70px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 128px;
        margin-bottom: 64px;
        width: 100%;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        letter-spacing: -0.03rem;
        text-align: center;
        color:#505050;
        margin-bottom: 48px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 96px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 40px;
        width: 100%;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        width: 100vw;
        margin-top: 40px;
        padding-bottom: 88px;
        border-bottom: 1px solid #F1F1F1;
    }
    .common_footer_btn{
        background: #339DB5;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 336px;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .common_projectList{
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-around;
        flex-wrap: wrap;
        padding:0px 88px 0px 88px;
    }

    .project_summary{
        font-family: Noto Sans KR;
        font-size: 12px;
        width: 123px;
        height: 88px;
        font-style: normal;
        font-weight: 400;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 16px;
        color: #505050;        
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .project_item_common{
        width: 184px;
        height: 370px;
        margin-bottom: 16px;
        background: #C4C4C4;
    }
    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        height: 20px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 1px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color: #339DB5;
        width: 100%;
        height: 56px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-left: 4px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }
    
    .project_item_1_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/shin.png);
    }
    .project_item_2_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/hur.png);
    }
    .project_item_3_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/son.png);
    }
    .project_item_4_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/kang.png);
    }
    .project_item_5_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/jo.png);
    }
    .project_item_6_img{
        width: 100%;
        height: 314px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/pack.png);
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 88px;
        margin-bottom: 80px;
    }

    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 48px;
    }
    
    .support_list{
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .support_title{
        position: relative;
    }
    
    .support_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        z-index: 1;
    }   
    
    .support_title_underbar{
        width: 100%;
        height: 11px;
        background-color: rgba(51, 157, 181, 0.5);
        position: absolute;
        bottom: 0px;
        left: 0px;
    }
    
    .support_detail_list{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        margin-bottom: 32px;
        margin-top: 32px;
    }

    .support_detail_list:last-child{
        margin-left: 7px;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 28px;
        letter-spacing: 0em;    
        width: 118px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_2_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_3_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 32px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_4_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_5_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_6_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 80px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 100%;
        display: flex;
        height: 812px;
        min-height: 812px;
        padding:42px 51px 0px 51px;
        flex-direction: column;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 38px;
        height: 72px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 40px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        display: flex;
        flex-direction: column;
        padding:67px 54px 85px 54px;
    }
    
    .common_footer_footer_1_img{
        height: 467px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        display: none;
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 14px;
        height: 14px;
        line-height: 14px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }

    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        padding: 0px 88px;
    }

    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 64px;
        margin-bottom: 56px;
        color:#505050;
    }


    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 32px;
        color:#505050;
    }

    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 134px;
    }

    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }

    .common_project_support_thanksfor_list_item>.common_project_support_thanksfor_list_item_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;

    }
}


@media screen and (min-width:1024px) and (max-width:1439px){
    #contents_body{
        width: 100%;
        background-color:#f1f1f1;
        position: absolute;
        overflow: hidden;
    }
    
    .mobile_only{
        display: none;
    }

    .tablet_only{
        display: inline;
    }
    .web_only{
        display: none;
    }
    
    .body_main_title_subtitle{
        position: absolute;
        top:135px;
        left: 64px;
        font-family: Noto Serif KR;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: left;
    
    }
    
    .body_main_title_subtitle>b{
        color:#349DB5 ;
    }
    
    .body_main_title{
        width: 100vw;
        height: 100vh;
        background-image: url(../img/eighteen-network/body_title_img.png);
        background-size: contain;
        background-repeat: no-repeat;
        background-position: bottom;
        position: relative;
        align-items: center;
        display: flex;
    }
    
    
    .body_title{
        display:flex;
        flex-direction: column;
        position: relative;
    }
    
    .contents_title{
        margin-left: 80px;
        margin-top: 143px;
        margin-bottom: 5px;
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 600;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        opacity: 0;
        position: relative;
        transition: 1s;
    }
    
    
    .contents_subtitle{
        margin-left: 80px;
        font-family: Noto Serif KR;
        font-size: 15px;
        font-style: normal;
        font-weight: 400;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        opacity: 0;
        transition: 1s;
        color: #1F425C;
    }
    
    .title_text{
        width: 408px;
        height: 40px;
        display: flex;
        margin-bottom: 32px;
        align-items: center;
    }
    
    .title_highlight{
        border: 8px solid #339DB5;
        opacity: 0;
        width: 292px;
        height: 70px;
        top:58px;
        left:-24px;
        position: absolute;
        transition: 0.5s;
    }
    
    .contents_text{
        margin-left: 272px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
    }
    
    .text_highlight{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        color:#339DB5;
    }
    
    .body_main_text{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
       
    .chapter_1{
        background-color:#FEF9F0;
        width:100%;
        padding-top: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 96px;
    }
    
    .chapter_2{
        background-color:#F0F0F0;
        width:100%;
        padding-top: 120px;
        padding-bottom: 56px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_3{
        background-color:#FEF9F0;
        width:100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_title{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 400;
        line-height: 72px;
        letter-spacing: 0em;
        text-align: center;
        height: 56px;
        transition: 1s;
        opacity: 0;
        margin-bottom: 104px;
    }
    
    .chapter3_title{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 400;
        line-height: 72px;
        letter-spacing: 0em;
        text-align: center;
        height: 56px;
        color: #fff;
        transition: 1s;
        opacity: 0;
    }
    
    .chatper_3_head{
        height: 520px;
        width: 100%;
        background: #1F425C;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 104px;
    }
    
    .chapter_highlight{
        font-family: Noto Serif KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;
    }
    
    
    .img_box{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_2{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .img_box_3{
        width: 688px;
        height: 376px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_4{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    
    
    .chapter_text{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        width: 688px;
        /* opacity: 0; */
        transition: 1s;
        color: #1F425C;
        text-align: center;
        margin-bottom: 64px;
    }
    
    
    .img_1{
        background-image: url("../img/eighteen-network/img_1.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        z-index: 1;
    }
    
    
    .img_2{
        background-image: url("../img/eighteen-network/img_2.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        right: 0px;
        z-index: 1;
    }
    
    .img_full_1{
        width: 688px;
        height: 427px;
        background-image: url("../img/eighteen-network/img_3.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 64px;
    }
    
    
    .img_4{
        background-image: url("../img/eighteen-network/img_5.png");
        width: 528px;
        height: 406px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-bottom: 64px;
    }
    
    .img_full_2{
        width:100%;
        height: 520px;
        background-image: url("../img/eighteen-network/img_6.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big1{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_7{
        background-image: url("../img/eighteen-network/img_7_mobile.png");
        width: 688px;
        height: 376px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        right: 0px;
        top:0px;
        z-index: 1;
    }

    .img_dot_4{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        bottom: 70px;
        right:-93px;
    }
    
    
    .cahpter_text_big2{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        margin-bottom: 56px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_8{
        background-image: url("../img/eighteen-network/img_8.png");
        width: 704px;
        height: 403px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        z-index: 1;
        left: 0px;
    }
    
    .img_box_4>.img_dot_1{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        left:-30px;
    }
    .img_9{
        background-image: url("../img/eighteen-network/img_9.svg");
        width: 1056px;
        height: 576px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-top: 120px;
        margin-bottom: 120px;
    }
    
    .cahpter_text_big3{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big5{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-top:120px;
        margin-bottom: 120px;
    }
    
    .img_box_5{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_box_6{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_10{
        background-image: url("../img/eighteen-network/img_10.svg");
        width: 528px;
        height: 904px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_11{
        background-image: url("../img/eighteen-network/img_11.png");
        width: 688px;
        height: 375px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .cahpter_text_big4{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transition: 1s;
        margin-bottom: 74px;
        opacity: 0;
    }
    
    .endText{
        width: 100%;
        padding:80px 0px;
        background-color: #F0F0F0;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
    }
    
    .endText_item{
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column-reverse;
        justify-content:center;
        align-items: center;
    }
    
    .endText_text{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        text-align: center;
        min-width: 688px;
        text-align: center;
    }
    
    .endText_text>b{
        font-weight: 700;
        font-size: 35px;
    }
    .endText_big>i{
        color:#339DB5;
        font-weight: 700;
    }

    .endText_big{
        font-size: 35px;
    }
    .endText_img_box{
        position: relative;
        height: 100%;
    }
    .endText_img{
        width: 360px;
        height: 840px;
        margin-top: 164px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/endText_img.svg);
    }
    
    .chapter_4{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: #FEF9F0;
        padding-bottom: 120px;
    }
    
    .chapter_4_title{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        width: 624px;
        color: #fff;
        height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #339DB5;
        margin-bottom: 26px;
        margin-top: 80px;
    }
    
    .chapter_4_subTitle{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        margin-bottom: 32px;
        text-align: center;
    }
    .chapter_4_contents{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    
    }    
    
    .up_btn {
        width: 24px;
        height: 24px;
        margin-left : 16px;
        background-image:url(../img/eighteen-network/cy_up.gif);        
        padding-bottom:16px;
        background-size: cover;
        background-position: center;
    }
    .up_btn:hover {        
        background-image:url(../img/eighteen-network/play_icon.svg);        
        background-size: cover;
        background-position: center;        
    }
    
    .chapter_4_contents_box1{
        width: 740px;
        height: 100%;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;
        padding:0 26px;
        padding-bottom: 48px;
    }
    
    .chapter_4_contents_title_icon{
        width: 56px;
        height: 56px;
        min-width: 56px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        margin-right: 8px;
        background-image: url(../img/eighteen-network/wave_icon.png);
    }

    .chapter_4_contents_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    }

    .chapter_4_contents_title{
        width: 100%;
        display: flex;
        align-items: center;
        margin-top: 24px;
        margin-bottom: 16px;
    }
    
    .chapter_4_contents_content{
        width: 100%;
        height: 100%;
        display: flex;
    }
    
    .chapter_4_contents_img{
        width: 688px;
        height: 440px;
        background-repeat: no-repeat;
        background-size: contain;
        background-image: url(../img/eighteen-network/cy_tablet_img.png);
    }
    
    .chapter_4_contents_btnList{
        display: none;
    }
        
    .chapter_4_contents_bridge{
        display: none;
    }
    
    .chapter_4_contents_box2{
        margin-top: 32px;
        width: 740px;
        padding: 24px 34px 40px 26px;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-sizing: border-box;
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;

    }
    .chapter_4_contents_box2_title{
        display: flex;
        margin-bottom: 28px;
    }

    .chapter_4_contents_box2_title_icon{
        width: 56px;
        height: 56px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        background-position: center;
    }
    
    .chapter_4_contents_box2_title_text{
        font-family: Noto Sans KR;
    font-size: 32px;
    font-style: normal;
    font-weight: 700;
    line-height: 51px;
    letter-spacing: 0em;
    text-align: left;
    color: #339DB5;
    
    }
    
    .chapter_4_contents_box2_text_item{
        display: flex;
        align-items: center;
    }
    
    .chapter_4_contents_box2_text_item_icon{
        width: 24px;
        height: 24px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        margin-right: 10px;
    }
    
    .chapter_4_contents_box2_text_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        color:#1F425C;
    }

    .chapter_4_mobile_btnList{
        display: flex;
        width: 740px;
        justify-content: space-between;
        margin-top: 24px;
    }
    .chapter_4_mobile_btn{
        display: none;
    }

    .chapter_4_contents_btn{
        background: #E0F9FF;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: Nanum Gothic;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        width: 240px;
        height: 64px;
        color: #339db5 !important;
    }
    
    .chapter_4_contents_btn:hover > .up_btn {
        background-image:url(../img/eighteen-network/play_icon.svg) !important;        
    }

    .support_btn{
        width:100%;
        height:64px;
        bottom:0px;
        right: 0px;
        position: fixed;
        transition: .2s;
        cursor: pointer;
        display: none;
        animation: top 1s ease-in-out;
        background-size: 100%;
        z-index:9999999;
        background-color: #339DB5;
        background-position: center;
        background-repeat: no-repeat;
        background-size: 20%;
        background-image: url(../img/eighteen-network/common/support_btn_phone.svg);
    }










































    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .common_footer_body{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding:0px 24px;
        background-color:#F1F1F1 ;
    }
    
    .common_footer_title{
        font-family: Noto Sans KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        line-height: 40px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 128px;
        margin-bottom: 24px;
        width: 100%;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        letter-spacing: -0.03rem;
        text-align: center;
        color:#505050;
        margin-bottom: 32px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 96px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 40px;
        width: 100%;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        width: 100%;
        margin-top: 40px;
        margin-bottom: 120px;
    }
    
    .common_footer_contents_4{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 64px;
    }
    
    .common_footer_btn{
        background: #339DB5;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 336px;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .common_projectList{
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-around;
        flex-wrap: wrap;
        padding:0px 24px 28px 24px;
    }

    .project_summary{
        font-family: Noto Sans KR;
        font-size: 12px;
        width: 123px;
        height: 88px;
        font-style: normal;
        font-weight: 400;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 16px;
        color: #505050;        
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
        cursor: pointer;
    }
    
    .project_item_common{
        width: 136px;
        height: 272px;
        margin-bottom: 16px;
        background: #C4C4C4;
    }
    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 16px;
        height: 16px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 16px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: 25px;
        height: 25px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color:#339DB5;
        width: 100%;
        height: 40px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 14px;
        height: 14px;
        min-width: 14px;
        min-height: 14px;
        margin-left: 3px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }


    .project_item_1_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/shin.png);
    }
    .project_item_2_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/hur.png);
    }
    .project_item_3_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/son.png);
    }
    .project_item_4_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/kang.png);
    }
    .project_item_5_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/jo.png);
    }
    .project_item_6_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/pack.png);
    }

    
    .project_item:hover > .project_item_common >.project_item_1_img{
        width: 100%;
        height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/shin_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_2_img{
                width: 100%;
                height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/hur_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_3_img{
                width: 100%;
                height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/son_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_4_img{
                width: 100%;
                height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/kang_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_5_img{
                width: 100%;
                height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/jo_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_6_img{
                width: 100%;
                height: 232px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/pack_hover.png");
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 48px;
        margin-bottom: 64px;
    }

    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 48px;
    }
    
    .support_list{
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
    
    .common_project_text_covid{
        
        font-family: Noto Sans KR;
        width: 100%;
        text-align: center;
        margin-bottom: 28px;
        color:#a5a5a5;
    }
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 32px;
    }
    
    .support_title{
        position: relative;
    }
    
    .support_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        
        z-index: 1;
    }   
    
    .support_title_underbar{
        width: 100%;
        height: 11px;
        background-color: rgba(51, 157, 181, 0.5);
        position: absolute;
        bottom: 0px;
        left: 0px;
    }
    
    .support_detail_list{
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        margin-bottom: 32px;
        margin-top: 32px;
    }

    .support_detail_list:last-child{
        margin-left: 7px;
    }
    
    .support_detail_item{
        width: 210px;
        height: 210px;
        border-radius: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 28px;
        letter-spacing: 0em;    
        width: 118px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_2_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_3_img{
        width: 72px;
        height: 72px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 32px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_4_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_5_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }
    
    .support_detail_item_6_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 16px;
        margin-bottom: 16px;
    }

    
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 80px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 100%;
        display: flex;
        height: 812px;
        min-height: 812px;
        padding:42px 51px 0px 51px;
        flex-direction: column;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
        url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 38px;
        height: 72px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 40px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        display: flex;
        flex-direction: column;
        padding:67px 54px 85px 54px;
    }
    
    .common_footer_footer_1_img{
        height: 467px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        display: none;
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 12px;
        height: 12px;
        line-height: 12px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }

    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }

    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 40px;
        margin-bottom: 56px;
        color:#505050;
    }

    .common_project_support_thanksfor_list{
        display: flex;
        width: 100%;
        padding:0px 54px;
        
        flex-wrap: wrap;
        justify-content: center;

    }

    .common_project_support_thanksfor_list_item{
        display: flex;
        
        flex-wrap: wrap;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin-bottom: 51px;
    }

    .common_project_support_thanksfor_list_item_img1{
        width: 448px;
        height: 252px;
        background-size: cover;
        margin-bottom: 28px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img1.png);
    }
    
    .common_project_support_thanksfor_list_item_img2{
        width: 448px;
        height: 252px;
        background-size: cover;
        margin-bottom: 28px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img2.png);
    }

    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 32px;
        color:#505050;
    }

    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 134px;
    }

    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }

    .common_project_support_thanksfor_list_item>.common_project_support_thanksfor_list_item_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;

    }
}


@media screen and (min-width:1440px) and (max-width:1919px){
    #contents_body{
        width: 100%;
        background-color:#f1f1f1;
        position: absolute;
        overflow: hidden;
    }   
    
    .up_btn {
        width: 20px;
        height: 20px;
        margin-left : 8px;
        background-image:url(../img/eighteen-network/cy_up.gif);        
        background-size: cover;
        background-position: center;
        float: right;
    }
    
    
    .mobile_only{
        display: none;
    }

    .tablet_only{
        display: none;
    }
    .web_only{
        display: inline;
    }
    
    .body_main_title_subtitle{
        position: absolute;
        top:135px;
        left: 64px;
        font-family: Noto Serif KR;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: left;
    
    }
    
    .body_main_title_subtitle>b{
        color:#349DB5 ;
    }
    
    .body_main_title{
        width: 100vw;
        height: 100vh;
        background-image: url(../img/eighteen-network/body_title_img.png);
        background-size: contain;
        background-repeat: no-repeat;
        background-position: bottom;
        min-height: 100vh;
        position: relative;
        align-items:flex-end;
        display: flex;
        padding-bottom: 16px;
    }

    
    
    .body_title{
        display:flex;
        width: 100%;
        flex-direction: column;
        margin-top: 92px;
        margin-bottom: 30px;
        position: relative;
    }
    
    .contents_title{
        margin-left: 113px;
        margin-bottom: 20px;
        font-family: Noto Serif KR;
        font-size: 50px;
        font-style: normal;
        font-weight: 600;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        opacity: 0;
        position: relative;
        transition: 1s;
    }
    
    
    .contents_subtitle{
        margin-left: 113px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        opacity: 0;
        transition: 1s;
        color: #1F425C;
    }
    
    .title_text{
        width: 376px;
        height: 90px;
        display: flex;
        align-items: center;
    }
    
    .title_highlight{
        border: 8px solid #339DB5;
        opacity: 0;
        width: 312px;
        height: 90px;
        top:96px;
        left:-24px;
        position: absolute;
        transition: 0.5s;
    }
    
    .contents_text{
        margin-left: 272px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
    }
    
    .text_highlight{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        color:#339DB5;
    }
    
    .body_main_text{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
       
    .chapter_1{
        background-color:#FEF9F0;
        width:100%;
        padding-top: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 96px;
    }
    
    .chapter_2{
        background-color:#F0F0F0;
        width:100%;
        padding-top: 120px;
        padding-bottom: 56px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_3{
        background-color:#FEF9F0;
        width:100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_title{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 400;
        line-height: 72px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 104px;
    }
    
    .chapter3_title{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
        transition: 1s;
        opacity: 0;
    }
    
    .chatper_3_head{
        height: 520px;
        width: 100%;
        background: #1F425C;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 104px;
    }
    
    .chapter_highlight{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 700;
        line-height: 72px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;
    }
    
    
    .img_box{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_2{
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .img_box_3{
        width: 1056px;
        height: 464px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_4{
        width: 704px;
        height: 403px;
        position: relative;
        
        margin-bottom: 64px;
    }
    
    
    
    .chapter_text{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        width: 688px;
        /* opacity: 0; */
        transition: 1s;
        color: #1F425C;
        text-align: center;
        margin-bottom: 64px;
    }
    
    .img_dot_1{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        right:-147px;
    }
    
    .img_1{
        background-image: url("../img/eighteen-network/img_1.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        z-index: 1;
    }
    
    .img_dot_2{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        left:-134px;
    }
    
    .img_2{
        background-image: url("../img/eighteen-network/img_2.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        right: 0px;
        z-index: 1;
    }
    
    .img_full_1{
        width: 100%;
        height: 646px;
        max-width:1040px;
        max-height: 646px;
        background-image: url("../img/eighteen-network/img_3.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 64px;
    }
    
    .img_dot_3{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        right:0px;
    
    }
    
    .img_4{
        background-image: url("../img/eighteen-network/img_5.png");
        width: 528px;
        height: 406px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_full_2{
        width:100%;
        height: 520px;
        background-image: url("../img/eighteen-network/img_6_web.png");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: bottom;
        margin-top:120px;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big1{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_7{
        background-image: url("../img/eighteen-network/img_7.svg");
        width: 1056px;
        height: 464px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        right: 0px;
        top:0px;
        z-index: 1;
    }
    
    .img_dot_4{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        left:-62px;
    }
    
    .cahpter_text_big2{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        margin-bottom: 56px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_8{
        background-image: url("../img/eighteen-network/img_8.png");
        width: 704px;
        height: 403px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        z-index: 1;
        left: 0px;
    }
    
    .img_9{
        background-image: url("../img/eighteen-network/img_9.svg");
        width: 1056px;
        height: 576px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-top: 120px;
        margin-bottom: 120px;
    }
    
    .cahpter_text_big3{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big5{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-top:120px;
        margin-bottom: 120px;
    }
    
    .img_box_5{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_box_6{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_10{
        background-image: url("../img/eighteen-network/img_10.svg");
        width: 528px;
        height: 904px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_11{
        background-image: url("../img/eighteen-network/img_11.png");
        width: 100%;
        height: 576px;
        max-width: 1056px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .cahpter_text_big4{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transition: 1s;
        margin-bottom: 74px;
        opacity: 0;
    }
    
    .endText{
        width: 100%;
        padding:80px 0px;
        background-color: #fffffc;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
    }
    
    .endText_item{
        width: 100%;
        height: 100%;
        display: flex;
        justify-content:center;
        align-items: center;
    }
    
    .endText_text{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        min-width: 688px;
    }
    
    .endText_text>b{
        font-weight: 700;
        font-size: 35px;
    }
    .endText_big>i{
        color:#339DB5;
        font-weight: 700;
    }
    .endText_img_box{
        position: relative;
        height: 100%;
    }
    .endText_img{
        width: 360px;
        height: 840px;
        margin-right: 72px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/endText_img.svg);
    }
    
    .chapter_4{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: #FEF9F0;
        padding-bottom: 120px;
    }
    
    .chapter_4_title{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        width: 624px;
        color: #fff;
        height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #339DB5;
        margin-bottom: 26px;
        margin-top: 80px;
    }
    
    .chapter_4_subTitle{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        margin-bottom: 32px;
        text-align: center;
    }
    .chapter_4_contents{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    
    }
/*     
    .chapter_4_contents_box1{
        width: 1040px;
        height: 100%;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;
        padding-left: 40px;
        padding-bottom: 56px;
    } */

    .chapter_4_contents_box1{
        width: 1040px;
        height: 100%;
        background-image: url("../img/eighteen-network/chapter_4_box_bg.png");
        background-repeat: no-repeat;
        background-position: center;
        background-color: transparent;        
        /* background: #FAFAFA; */
        /* border: 1px solid rgba(0, 0, 0, 0.5); */
        /* box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15); */
        /* border-radius: 16px; */
        margin-left:160px;
        padding-left: 40px;
        padding-bottom: 44px;
    }
    
    .chapter_4_contents_title_icon{
        width: 42px;
        height: 42px;
        min-width: 42px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        margin-top: 10px;
        margin-right: 20px;
        background-image: url(../img/eighteen-network/wave_icon.png);
    }

    .chapter_4_contents_title_text{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    }

    .chapter_4_contents_title{
        width: 100%;
        display: flex;
        margin-top: 24px;
        margin-bottom: 20px;
    }
    
    .chapter_4_contents_content{
        width: 100%;
        height: 100%;
        display: flex;
    }
    
    .chapter_4_contents_img{
        width: 800px;
        height: 470px;
        background-repeat: no-repeat;
        background-size: contain;
        background-image: url(../img/eighteen-network/cy_web_img.png);
    }
    
    .chapter_4_contents_btnList{
        width: 120px;
        display: flex;
        margin-left: 8px;
        flex-direction: column;
        height: 100%;        
    }
    
    .chapter_4_mobile_btnList{
        display: none;
    }
    .chapter_4_mobile_btn{
        display: none;
    }

    .chapter_4_contents_btnList>.chapter_4_contents_btn{
        height: 50px;
        width: 100%;        
        background-color:#339db5;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 0px 8px 8px 0px;
        color: #fff;
        margin-bottom: 4px;
        display: inline-block;
        justify-content: center;
        align-items: center;
        font-family: Nanum Gothic;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: left;
        padding: 14px 10px;
    }

    .chapter_4_contents_btnList>.chapter_4_contents_btn:hover{        
        color: #1F425C;
        background-color:#fff;        
        height: 50px;
        width: 100%;                
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 0px 8px 8px 0px;
        
        margin-bottom: 4px;
        display: inline-block;
        justify-content: center;
        align-items: center;
        font-family: Nanum Gothic;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: left;
        padding: 14px 10px;
    }

    .chapter_4_contents_btn:hover > .up_btn {
        background-image:url(../img/eighteen-network/play_icon.svg) !important;        
    }
    
    
    
    .chapter_4_contents_bridge{
        width: 1040px;
        height: 40px;
        position: relative;
    }
    
    .bridge1{
        position:absolute;
        width: 12px;
        height: 40px;
        background: #E1E1E1;
        left: 160px;
    }
    
    .bridge2{
        position:absolute;
        width: 12px;
        height: 40px;
        background: #E1E1E1;
        right: 160px;
    }
    
    .chapter_4_contents_box2{
        width: 880px;
        /* padding: 24px 32px 24px 73px; */
        padding: 24px;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-sizing: border-box;
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;
        display: flex;
        justify-content: space-between;
    }

    .chapter_4_contents_box2_title_icon{
        width: 40px;
        height: 40px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        background-position: center;
    }
    
    .chapter_4_contents_box2_title_text{
        font-family: Noto Sans KR;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 51px;
    letter-spacing: 0em;
    text-align: left;
    color: #339DB5;
    
    }
    
    .chapter_4_contents_box2_text_item{
        display: flex;
        align-items: center;
    }
    
    .chapter_4_contents_box2_text_item_icon{
        width: 24px;
        height: 24px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        margin-right: 10px;
    }
    
    .chapter_4_contents_box2_text_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        color:#1F425C;
    }

    .support_btn{
        width:150px;
        height:150px;
        top:130px;
        right: 70px;
        position: fixed;
        transition: .2s;
        cursor: pointer;
        display: none;
        animation: top 1s ease-in-out;
        z-index: 999999;
        background-color: #000;
        background-image: url(../img/eighteen-network/common/link_btn.svg);
    }
    
    .support_btn:hover{
        box-shadow: 8px 8px 0px #65C3D9;
    }










































    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .common_footer_body{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        background-color: #f1f1f1;
    }
    
    .common_footer_title{
        font-family: Noto Sans KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        line-height: 72px;
        height: 72px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 120px;
        margin-bottom: 24px;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 32px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 40px;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 64px;
        margin-bottom: 64px;
    }
    
    .common_footer_contents_4{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 64px;
        margin-top: 86px;
    }
    
    .common_footer_btn{
        background: #339DB5;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 336px;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .common_projectList{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        margin-bottom: 160px;
    }
    
    .project_summary{
        display: none;   
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        margin-right: 17px;
        align-items: center;
    }
    
    .project_item:hover > .project_item_common >.project_item_1_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/shin_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_2_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/hur_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_3_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/son_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_4_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/kang_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_5_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/jo_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_6_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/pack_hover.png");
    }
    
    .project_item_common{
        width: 218px;
        height: 427px;
        margin-bottom: 16px;
        cursor: pointer;
        background: #C4C4C4;
    }
    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 8px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color: #339DB5;
        width: 100%;
        height: 56px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-left: 16px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }
    
    .project_item_1_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/shin.png);
    }
    .project_item_2_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/hur.png);
    }
    .project_item_3_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/son.png);
    }
    .project_item_4_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/kang.png);
    }
    .project_item_5_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/jo.png);
    }
    .project_item_6_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/pack.png);
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 128px;
    }
    
    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .support_list{
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    
    .common_project_text_covid{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 20px;
    
        letter-spacing: 0em;
        text-align: center;
        color: #a5a5a5;
        margin-bottom: 28px;
    }
    
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-right: 54px;
    }
    
    .support_title{
        position: relative;
    }
    
    .support_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        
        z-index: 1;
        color: #505050;
    }   
    
    .support_title_underbar{
        width: 100%;
        height: 11px;
        background-color: rgba(51, 157, 181, 0.5);
        position: absolute;
        bottom: 0px;
        left: 0px;
    }

    .common_project_support_thanksfor_list_item>.common_project_support_thanksfor_list_item_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;

    }
    
    .support_detail_list{
        display: flex;
        width: 428px;
        justify-content: space-between;
        margin-top: 33px;
    }
    
    .support_detail_item{
        width: 210px;
        height: 210px;
        border-radius: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 23px;
        letter-spacing: 0em;    
        width: 118px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_2_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_3_img{
        width: 88px;
        height: 88px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 41px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_4_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_5_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_6_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 104px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 50%;
        height: 762px;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 50%;
        height: 762px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding:40px 0px 0px 48px;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                  url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 24px;
        height: 24px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 24px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        padding:56px 72px 88px 72px;
    }
    
    .common_footer_footer_1_img{
        height: 438px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        width: 100%;
        height: 912px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/common/common_title_img.png);
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }
    
    
    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 77px;
        margin-bottom: 64px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_list{
        display: flex;
        width: 1040px;
        justify-content: space-between;
        margin-bottom: 64px;
    
    }
    
    .common_project_support_thanksfor_list_item{
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .common_project_support_thanksfor_list_item_img1{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img1.png);
    }
    
    .common_project_support_thanksfor_list_item_img2{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img2.png);
    }
    
    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 32px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 90px;
    }
    
    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }
}


@media screen and (min-width:1920px){  
    #contents_body{
        width: 100%;
        background-color:#f1f1f1;
        position: absolute;
        overflow: hidden;
    }   

    .mobile_only{
        display: none;
    }

    .tablet_only{
        display: none;
    }
    .web_only{
        display: inline;
    }
    
    .body_main_title_subtitle{
        position: absolute;
        top:132px;
        left: 64px;
        font-family: Noto Serif KR;
        font-size: 18px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: left;
    
    }
    
    .body_main_title_subtitle>b{
        color:#349DB5 ;
    }


    .link_btn{
        position: fixed;
        top:72px;
        right: 80px;
        background-image: url(../img/eighteen-network/link_btn.svg);
        width: 150px;
        height: 150px;
        cursor: pointer;
        opacity: 0;
        z-index: 999;
    }
    
    .body_title{
        display:flex;
        width: 100%;
        height: 100%;
        flex-direction: column;
        justify-content: center;
        position: relative;
    }
    
    .body_main_title{
        width: 100vw;
        height: 100vh;
        display: flex;
        background-repeat: no-repeat;
        background-size: contain;
        background-position: bottom;
        background-image: url(../img/eighteen-network/body_title_img.png);
        position: relative;
    }
    
    .body_title_img{
        width:100%;
        min-height: 100%;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/body_title_img.png);
    }
    
    .body_title_text{
        z-index: 1;
        display: flex;
        flex-direction: column;
    }
    
    .contents_title{
        margin-left: 264px;
        margin-top: 174px;
        margin-bottom: 48px;
        font-family: Noto Serif KR;
        font-size: 64px;
        font-style: normal;
        font-weight: 600;
        line-height: 92px;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        opacity: 0;
        position: relative;
        transition: 1s;
    }
    
    .contents_subtitle{
        width: 100%;
        
        margin-left: 264px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        opacity: 0;
        transition: 1s;
        color: #1F425C;
    }
    
    .title_text{
        width: 376px;
        height: 96px;
        display: flex;
        margin-bottom: 16px;
        align-items: center;
    }
    
    .title_highlight{
        border: 8px solid #339DB5;
        opacity: 0;
        width: 376px;
        height: 120px;
        top:103px;
        left:-24px;
        position: absolute;
        transition: 0.5s;
    }
    
    .contents_text{
        margin-left: 272px;
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
    }
    
    .text_highlight{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        color:#339DB5;
    }
    
    .body_main_text{
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_1{
        background-color:#FEF9F0;
        width:100%;
        padding-top: 80px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding-bottom: 96px;
    }
    
    .chapter_2{
        background-color:#F0F0F0;
        width:100%;
        padding-top: 120px;
        padding-bottom: 56px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_3{
        background-color:#FEF9F0;
        width:100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .chapter_title{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 400;
        line-height: 56px;
        letter-spacing: 0em;
        text-align: center;
        height: 56px;
        transition: 1s;
        opacity: 0;
        margin-bottom: 104px;
    }
    
    .chapter3_title{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 400;
        line-height: 56px;
        letter-spacing: 0em;
        text-align: center;
        height: 56px;
        color: #fff;
        transition: 1s;
        opacity: 0;
    }
    
    .chatper_3_head{
        height: 520px;
        width: 100%;
        background: #1F425C;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 104px;
    }
    
    .chapter_highlight{
        font-family: Noto Serif KR;
        font-size: 56px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;
    }
    
    
    .img_box{
        width: 704px;
        height: 403px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_2{
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .img_box_3{
        width: 1056px;
        height: 464px;
        position: relative;
        margin-bottom: 64px;
    }
    
    .img_box_4{
        width: 704px;
        height: 403px;
        position: relative;
        
        margin-bottom: 64px;
    }
    
    
    
    .chapter_text{
        font-family: Noto Serif KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: left;
        /* opacity: 0; */
        width: 688px;
        transition: 1s;
        color: #1F425C;
        text-align: center;
        margin-bottom: 64px;
    }
    
    .img_dot_1{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        right:-147px;
    }
    
    .img_1{
        background-image: url("../img/eighteen-network/img_1.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        z-index: 1;
    }
    
    .img_dot_2{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        left:-134px;
    }
    
    .img_2{
        background-image: url("../img/eighteen-network/img_2.svg");
        width: 704px;
        height: 403px;
        position:absolute;
        right: 0px;
        z-index: 1;
    }
    
    .img_full_1{
        width: 100%;
        height: 646px;
        max-width:1040px;
        max-height: 646px;
        background-image: url("../img/eighteen-network/img_3.png");
        background-repeat: no-repeat;
        background-size: cover;
        margin-bottom: 64px;
    }
    
    .img_dot_3{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        right:0px;
    
    }
    
    .img_4{
        background-image: url("../img/eighteen-network/img_5.png");
        width: 528px;
        height: 406px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_full_2{
        width:100%;
        height: 520px;
        background-image: url("../img/eighteen-network/img_6_web.png");
        background-repeat: no-repeat;
        background-size: cover;
        background-position: bottom;
        margin-top:120px;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big1{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_7{
        background-image: url("../img/eighteen-network/img_7.svg");
        width: 1056px;
        height: 464px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        right: 0px;
        top:0px;
        z-index: 1;
    }
    
    .img_dot_4{
        background-image: url("../img/eighteen-network/img_dot.svg");
        width: 267px;
        height: 219px;
        position:absolute;
        top:50%;
        transform: translate(0,-50%);
        left:-118px;
    }
    
    .cahpter_text_big2{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        height: 32px;
        margin-bottom: 56px;
        transform: translate(0,10px);
        transition: 1s;
        opacity: 0;
    }
    
    .img_8{
        background-image: url("../img/eighteen-network/img_8.png");
        width: 704px;
        height: 403px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        z-index: 1;
        left: 0px;
    }
    
    .img_9{
        background-image: url("../img/eighteen-network/img_9.svg");
        width: 1056px;
        height: 576px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
        margin-top: 120px;
        margin-bottom: 120px;
    }
    
    .cahpter_text_big3{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-bottom: 64px;
    }
    
    .cahpter_text_big5{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        margin-top:120px;
        margin-bottom: 120px;
    }
    
    .img_box_5{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_box_6{
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 64px;
    }
    
    .img_10{
        background-image: url("../img/eighteen-network/img_10.svg");
        width: 528px;
        height: 904px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .img_11{
        background-image: url("../img/eighteen-network/img_11.png");
        width: 100%;
        height: 576px;
        max-width: 1056px;
        background-size: contain;
        background-position: center;
        background-repeat: no-repeat;
    }
    
    .cahpter_text_big4{
        font-family: Noto Serif KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 57.6px;
        letter-spacing: 0em;
        text-align: center;
        color: #1F425C;
        transition: 1s;
        margin-bottom: 74px;
        opacity: 0;
    }
    
    .endText{
        width: 100%;
        padding:80px 0px;
        background-color: #fffffc;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        position: relative;
    }
    
    .endText_item{
        width: 100%;
        height: 100%;
        display: flex;
        justify-content:center;
        align-items: center;
    }
    
    .endText_text{
        font-family: Noto Serif KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 400;
        line-height: 1.8;
        letter-spacing: 0em;
        text-align: left;
        color: #1F425C;
        min-width: 688px;
    }
    
    .endText_text>b{
        font-weight: 700;
        font-size: 35px;
    }
    .endText_big>i{
        color:#339DB5;
        font-weight: 700;
    }
    .endText_img_box{
        position: relative;
        height: 100%;
    }
    .endText_img{
        width: 360px;
        height: 840px;
        margin-right: 72px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/endText_img.svg);
    }
    
    .chapter_4{
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        background-color: #FEF9F0;
        padding-bottom: 120px;
    }
    
    .chapter_4_title{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        width: 624px;
        color: #fff;
        height: 56px;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #339DB5;
        margin-bottom: 26px;
        margin-top: 80px;
    }
    
    .chapter_4_subTitle{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        margin-bottom: 32px;
        text-align: center;
    }
    .chapter_4_contents{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    
    }
    
    .chapter_4_contents_box1{
        width: 1040px;
        height: 100%;
        background-image: url("../img/eighteen-network/chapter_4_box_bg.png");
        background-repeat: no-repeat;
        background-position: center;
        background-color: transparent;        
        /* background: #FAFAFA; */
        /* border: 1px solid rgba(0, 0, 0, 0.5); */
        /* box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15); */
        /* border-radius: 16px; */
        margin-left:160px;
        padding-left: 40px;
        padding-bottom: 44px;
    }
    
    .chapter_4_contents_title_icon{
        width: 42px;
        height: 42px;
        min-width: 42px;
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
        margin-top: 10px;
        margin-right: 20px;
        background-image: url(../img/eighteen-network/wave_icon.png);
    }

    .chapter_4_contents_title_text{
        font-family: Noto Sans KR;
        font-size: 34px;
        font-style: normal;
        font-weight: 700;
        line-height: 1.6;
        letter-spacing: 0em;
        text-align: left;
        color: #339DB5;
    }

    .chapter_4_contents_title{
        width: 100%;
        display: flex;
        margin-top: 24px;
        margin-bottom: 20px;
    }
    
    .chapter_4_contents_content{
        width: 100%;
        height: 100%;
        display: flex;
    }
    
    .chapter_4_contents_img{
        width: 800px;
        height: 470px;
        background-repeat: no-repeat;
        background-size: contain;
        background-image: url(../img/eighteen-network/cy_web_img.png);
    }
    
    .chapter_4_contents_btnList{
        width: 120px;
        display: flex;
        margin-left: 8px;
        flex-direction: column;
        height: 100%;
    }
    .up_btn {
        width: 20px;
        height: 20px;
        margin-left : 8px;
        background-image:url(../img/eighteen-network/cy_up.gif);        
        background-size: cover;
        background-position: center;
    }
    .up_btn:hover {        
        background-image:url(../img/eighteen-network/play_icon.svg);        
        background-size: cover;
        background-position: center;        
    }

    
    .chapter_4_mobile_btnList{
        display: none;
    }
    .chapter_4_mobile_btn{
        display: none;
    }
    
    .chapter_4_contents_btnList>.chapter_4_contents_btn{
        height: 50px;
        width: 100%;        
        background-color:#339db5;
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 0px 8px 8px 0px;
        color: #fff;
        margin-bottom: 4px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-family: Nanum Gothic;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: left;
    }

    .chapter_4_contents_btnList>.chapter_4_contents_btn:hover{        
        color: #1F425C;
        background-color:#fff;        
        height: 50px;
        width: 100%;                
        border: 1px solid #6BBDCF;
        box-sizing: border-box;
        border-radius: 0px 8px 8px 0px;
        
        margin-bottom: 4px;
        display: flex;
        justify-content: center;
        align-items: center;
        font-family: Nanum Gothic;
        font-size: 14px;
        font-style: normal;
        font-weight: 700;
        line-height: 22px;
        letter-spacing: 0em;
        text-align: left;
    }

    .chapter_4_contents_btn:hover > .up_btn {
        background-image:url(../img/eighteen-network/play_icon.svg);        
    }
    
    
    .chapter_4_contents_bridge{
        width: 1040px;
        height: 40px;
        position: relative;
    }
    
    .bridge1{
        position:absolute;
        width: 12px;
        height: 40px;
        background: #E1E1E1;
        left: 160px;
    }
    
    .bridge2{
        position:absolute;
        width: 12px;
        height: 40px;
        background: #E1E1E1;
        right: 160px;
    }
    
    .chapter_4_contents_box2{
        width: 880px;
        /* padding: 24px 32px 24px 73px; */
        padding: 24px;
        background: #FAFAFA;
        border: 1px solid rgba(0, 0, 0, 0.5);
        box-sizing: border-box;
        box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.15);
        border-radius: 16px;
        display: flex;
        justify-content: space-between;
    }

    .chapter_4_contents_box2_title_icon{
        width: 40px;
        height: 40px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        background-position: center;
    }
    
    .chapter_4_contents_box2_title_text{
        font-family: Noto Sans KR;
    font-size: 24px;
    font-style: normal;
    font-weight: 700;
    line-height: 51px;
    letter-spacing: 0em;
    text-align: left;
    color: #339DB5;
    
    }
    
    .chapter_4_contents_box2_text_item{
        display: flex;
        align-items: center;
    }
    
    .chapter_4_contents_box2_text_item_icon{
        width: 24px;
        height: 24px;
        background-image: url(../img/eighteen-network/wave_icon.png);
        background-size: cover;
        margin-right: 10px;
    }
    
    .chapter_4_contents_box2_text_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        color:#1F425C;
    }

    .chapter_4_contents_btn1:hover > .up_btn {        
        background-image:url(../img/eighteen-network/play_icon.svg);        
        background-size: cover;
        background-position: center;        
    }
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    /* 공용 푸터 */
    
    .common_footer{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .common_footer_body{
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        background-color: #f1f1f1;
    }
    
    .common_footer_title{
        font-family: Noto Sans KR;
        font-size: 40px;
        font-style: normal;
        font-weight: 700;
        line-height: 72px;
        height: 72px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 120px;
        margin-bottom: 24px;
    }
    
    .common_footer_contents{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 32px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 32px;
    }
    
    .common_footer_contents>b{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 38px;
        letter-spacing: 0em;
        text-align: center;
    }
    
    .common_footer_contents_2{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 40px;
    }
    
    .common_footer_contents_3{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-top: 64px;
        margin-bottom: 64px;
    }
    
    .common_footer_contents_4{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 64px;
        margin-top: 86px;
    }
    
    .common_footer_btn{
        background: #339DB5;
        border-radius: 8px;
        display: flex;
        justify-content: center;
        align-items: center;
        color: #fff;
        cursor: pointer;
    }
    
    .common_footer>.common_footer_body>.common_footer_btn.big_btn{
        width: 336px;
        height: 72px;
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        letter-spacing: 0em;
        text-align: center;
    }
    .big_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 8px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .normal_btn{
        width: 220px;
        height: 60px;
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 20px;
        letter-spacing: 0em;
        text-align: center;
    }
    .normal_btn_icon{
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
        margin-left: 6px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);     
    }
    
    .common_projectList{
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        margin-bottom: 160px;
    }
    
    .project_summary{
        display: none;   
    }
    
    .project_item{
        display: flex;
        flex-direction: column;
        margin-right: 17px;
        align-items: center;
    }
    
    .project_item:hover > .project_item_common >.project_item_1_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/shin_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_2_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/hur_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_3_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/son_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_4_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/kang_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_5_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/jo_hover.png");
    }
    .project_item:hover > .project_item_common >.project_item_6_img{
                width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url("../img/eighteen-network/common/pack_hover.png");
    }
    
    .project_item_common{
        width: 218px;
        height: 427px;
        margin-bottom: 16px;
        cursor: pointer;
        background: #C4C4C4;
    }
    
    .project_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 8px;
        color: #505050;
    }
    
    .project_name{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .project_item_btn{
        display: flex;
        background-color: #339DB5;
        width: 100%;
        height: 56px;
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        justify-content: center;
        align-items: center;
        color: #fff;
    }
    
    .project_item_btn_icon{
        width: 20px;
        height: 20px;
        min-width: 20px;
        min-height: 20px;
        margin-left: 16px;
        background-position: center;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/common_icon.png);   
    }
    
    .project_item_1_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/shin.png);
    }
    .project_item_2_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/hur.png);
    }
    .project_item_3_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/son.png);
    }
    .project_item_4_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/kang.png);
    }
    .project_item_5_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/jo.png);
    }
    .project_item_6_img{
        width: 100%;
        height: 371px;
        background-size: cover;
        background-image: url(../img/eighteen-network/common/pack.png);
    }
    
    .common_project_support_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 400;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 128px;
    }
    
    .common_project_support_title>b{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .support_list{
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    
    .common_project_text_covid{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 20px;
    
        letter-spacing: 0em;
        text-align: center;
        color: #a5a5a5;
        margin-bottom: 28px;
    }
    
    .support_item{
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-right: 54px;
    }
    
    .support_title{
        position: relative;
    }
    
    .support_title_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        height: 43px;
        letter-spacing: 0em;
        text-align: center;
        
        z-index: 1;
        color: #505050;
    }   
    
    .support_title_underbar{
        width: 100%;
        height: 11px;
        background-color: rgba(51, 157, 181, 0.5);
        position: absolute;
        bottom: 0px;
        left: 0px;
    }

    .common_project_support_thanksfor_list_item>.common_project_support_thanksfor_list_item_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 400;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #339DB5;

    }
    
    .support_detail_list{
        display: flex;
        width: 428px;
        justify-content: space-between;
        margin-top: 33px;
    }
    
    .support_detail_item{
        width: 210px;
        height: 210px;
        border-radius: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .support_detail_item_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 23px;
        letter-spacing: 0em;    
        width: 118px;
        color: #505050;
        text-align: center;
    }
    
    .support_detail_item_1_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_1.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_2_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_2.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_3_img{
        width: 88px;
        height: 88px;
        background-image: url(../img/eighteen-network/common/support_img_3.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 41px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_4_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_4.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_5_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_5.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_6_img{
        width: 96px;
        height: 96px;
        background-image: url(../img/eighteen-network/common/support_img_6.png);
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        margin-top: 33px;
        margin-bottom: 11px;
    }
    
    .support_detail_item_footer{
        font-family: Noto Sans KR;
        font-size: 19px;
        font-style: normal;
        font-weight: 400;
        line-height: 34px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-top: 32px;
    }
    
    .common_project_support_footer_text{   
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
        margin-bottom: 104px;
    }
    
    .common_project_support_footer_text>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #505050;
    }
    
    .common_footer_footer{
        display: flex;
        width: 100%;
    }
    .common_footer_footer_1{
        width: 50%;
        height: 762px;
        display: flex;
        flex-direction: column;
    }
    
    .common_footer_footer_2{
        width: 50%;
        height: 762px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding:40px 0px 0px 48px;
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                  url("../img/eighteen-network/common/common_footer_img_2.png");
    }
    
    .common_footer_footer_text_title{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 900;
        line-height: 24px;
        height: 24px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 16px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: left;
        margin-bottom: 24px;
        color:#fff;
    }
    
    .common_footer_footer_text_subtitle>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 27px;
        letter-spacing: 0em;
        text-align: left;
        color:#fff;
    }
    
    .footer_right_text{
        width: 100%;
    }
    
    .common_footer_footer_1_text{
        background-color: #001630;
        width: 100%;
        padding:56px 72px 88px 72px;
    }
    
    .common_footer_footer_1_img{
        height: 438px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        background-image: url(../img/eighteen-network/common/common_footer_img_1.png);
        width: 100%;
    }
    
    .common_title_img{
        width: 100%;
        height: 912px;
        background-repeat: no-repeat;
        background-size: cover;
        background-position: center;
        background-image: url(../img/eighteen-network/common/common_title_img.png);
    }
    
    .normal_btn_text{
        font-family: Noto Sans KR;
        font-size: 20px;
        font-style: normal;
        font-weight: 700;
        line-height: 36px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .project_item_btn_text{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color: #fff;
    }
    
    .big_btn_text{
        font-family: Noto Sans KR;
        font-size: 24px;
        font-style: normal;
        font-weight: 700;
        line-height: 43px;
        letter-spacing: 0em;
        text-align: center;
        color:#fff;
    }
    
    
    
    .common_project_support_thanksfor{
        background-color: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
    }
    .common_project_support_thanksfor_title{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-top: 77px;
        margin-bottom: 64px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_list{
        display: flex;
        width: 1040px;
        justify-content: space-between;
        margin-bottom: 64px;
    
    }
    
    .common_project_support_thanksfor_list_item{
        display: flex;
        flex-wrap: wrap;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .common_project_support_thanksfor_list_item_img1{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img1.png);
    }
    
    .common_project_support_thanksfor_list_item_img2{
        width: 512px;
        height: 288px;
        background-size: cover;
        margin-bottom: 16px;
        background-image: url(../img/eighteen-network/common/common_project_support_thanksfor_list_item_img2.png);
    }
    
    .common_project_support_thanksfor_text{
        font-family: Noto Sans KR;
        font-size: 32px;
        font-style: normal;
        font-weight: 700;
        line-height: 58px;
        letter-spacing: 0em;
        text-align: center;
        margin-bottom: 32px;
        color:#505050;
    }
    
    .common_project_support_thanksfor_footer{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 400;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
        margin-bottom: 90px;
    }
    
    .common_project_support_thanksfor_footer>b{
        font-family: Noto Sans KR;
        font-size: 16px;
        font-style: normal;
        font-weight: 700;
        line-height: 29px;
        letter-spacing: 0em;
        text-align: center;
        color:#505050;
    }
    
    .support_btn{
        width:150px;
        height:150px;
        top:130px;
        right: 70px;
        position: fixed;
        transition: .2s;
        cursor: pointer;
        display: none;
        animation: top 1s ease-in-out;
        z-index: 999999;
        background-color: #000;
        background-image: url(../img/eighteen-network/common/link_btn.svg);
    }
    
    .support_btn:hover{
        box-shadow: 8px 8px 0px #65C3D9;
    }
    
    @keyframes top {
        0%{
            opacity: 0;
        }
        100%{
            opacity: 1;
        }
    }


}

@media (-webkit-device-pixel-ratio: 1.25) {

.body_title { width: 100% !important; transform: translate(-50%, -50%) !important; position: absolute !important; top: 50% !important; left: 50% !important; margin-top: 0; }
.body_main_title_subtitle { top: 130px; left: 40px; font-size: 16px; line-height: 1.5; }
.title_text { height: 80px; }
.title_highlight { top: 85px; left: -14px; height: 80px; width: 290px; border: 5px solid #339DB5; }
.contents_title { margin-left: 264px; margin-top:100px; margin-bottom: 20px; font-size: 50px; }
.contents_subtitle { margin-left: 274px; font-size: 16px; line-height: 1.5; }
.contents_subtitle br { margin-top: -20px; }
.text_highlight { font-size: 15px; }
.intro_law { font-size: 15px; }

}